Atlas V 551 | NROL-107 (Silent Barker)
A Atlas V 551 rocket launched Atlas V 551 | NROL-107 (Silent Barker) from Cape Canaveral SFS, FL, USA, targeting Direct-GEO.
- Launch time
- Status
- SUCCESS
- Operator
- United Launch Alliance
- Mission type
- Government/Top Secret
- Rocket
- Atlas V 551
- Launch site
- Cape Canaveral SFS, FL, USA
- Launch pad
- Space Launch Complex 41
- Payload
- —
- Target orbit
- Direct-GEO

Mission timeline
- 2023-09-10T12:47:00.000ZAtlas V 551 roars off the pad at Cape Canaveral SFS, FL, USA.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- MECO — first-stage propulsion ends after a nominal burn.
- Clean stage separation confirmed.
- The upper-stage engine lights up after separation.
- Orbit insertion confirmed — now circling in Direct-GEO.
- All mission objectives achieved.